 /*
  * The contents of this file are subject to the Mozilla Public License
  * Version 1.1 (the "License");  you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  * http//www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
  * the specific language governing rights and limitations under the License.
  *
  * The Original Code is ART Ontology API.
  *
  * The Initial Developer of the Original Code is University of Roma Tor Vergata.
  * Portions created by University of Roma Tor Vergata are Copyright (C) 2007.
  * All Rights Reserved.
  *
  * ART Ontology API was developed by the Artificial Intelligence Research Group
  * (art.uniroma2.it) at the University of Roma Tor Vergata
  * Current information about the ART Ontology API can be obtained at 
  * http//art.uniroma2.it/owlart
  *
  */

  /*
   * Contributor(s): Armando Stellato stellato@info.uniroma2.it
  */
package it.uniroma2.art.owlart.model;



/**
 * a descriptor for RDF URI Resources
 * 
 * @author Armando Stellato
 *
 */
public interface ARTURIResource extends ARTResource {

    String getURI();
    
    String getLocalName();
    
    String getNamespace();    
    
	/**
	 * Compares a URI object to another object.
	 *
	 * @param o The object to compare this URI to.
	 * @return <tt>true</tt> if the other object is an instance of {@link URI}
	 * and their String-representations are equal, <tt>false</tt> otherwise.
	 */
	public boolean equals(Object o);
	
	/**
	 * The hash code of a URI is defined as follows:
	 * <pre>
	 * namespace.hashCode() ^ localName.hashCode()
	 * </pre>
	 * 
	 * @return A hash code for the URI.
	 */
	public int hashCode();
    
}
